?url_ver=Z39.88-2004&rft_id=1917011074&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=OPTIMASI+WAKTU+KONVERSI+METIL+ESTER+DARI+MINYAK%0D%0AKELAPA+(Cocos+nucifera+L.)+MENJADI+SENYAWA+NITROGEN%0D%0AMENGGUNAKAN+AUTOCLAVE+DAN+APLIKASINYA+SEBAGAI%0D%0AINHIBITOR+KOROSI+BAJA+LUNAK&rft.creator=MAULANA+%2C+ARYA+NADHIEF+&rft.subject=500+ilmu+pengetahuan+alam+dan+matematika&rft.subject=540+Kimia+dan+ilmu+yang+berhubungan&rft.description=This+research+was+conducted+as+an+effort+to+optimize+the+amidation+reaction+of%0D%0Amethyl+esters+derived+from+coconut+oil+into+nitrogen+compounds+by+reacting%0D%0Amethyl+esters+with+diethanolamine.+Methyl+esters+were+obtained+using+coconut+oil%0D%0Arefluxed+with+methanol+at+70+oC+for+4+hours+using+zeolite-A+as+catalyst.+Nitrogen%0D%0Acompounds+were+obtained+by+preparing+nine+samples+by+conducting+experiments%0D%0Ain+an+autoclave%2C+then+heated+in+an+oven+at+100+oC+for+48%2C+72%2C+and+96+hours+with%0D%0Avariations+in+stirring+time+for+0%2C+30%2C+and+60+minutes.+The+resulting+products+were%0D%0Athen+analyzed+using+FTIR+and+GC-MS%2C+then+used+as+a+mild+steel+corrosion%0D%0Ainhibitor+in+CO2-saturated+brine+solution+using+the+Wheel+Test+method.+The%0D%0Ainhibition+activity+of+the+samples+was+evaluated+in+terms+of+percentage+protection%0D%0Aand+surface+morphology+of+the+sample+using+SEM+method.+The+experimental%0D%0Aresults+obtained+revealed+that+the+experiments+conducted+at+48+hours+with+30%0D%0Aminutes+mixing+and+for+48+hours+with+60+minutes+mixing+produced+nitrogen%0D%0Acompounds+with+percentage+13.60%25+and+24.31%25.+The+results+of+corrosion+testing%0D%0Aexperiments+revealed+that+the+samples+exhibit+corrosion+inhibition+activity%2C+with%0D%0Athe+highest+protection+of+91%2C87%25+was+provided+by+the+sample+prepared+at+100+oC%0D%0Afor+48+hours+with+30+minutes+mixing.+Without+ignoring+the+need+for+further%0D%0Aresearch%2C+the+results+obtained+in+this+study+suggest+that+the+nitrogen+compounds%0D%0Aderived+from+coconut+oil+possess+promising+potential+as+a+green+corrosion%0D%0Ainhibitor.%0D%0AKeywords%3A+Coconut+oil+methyl+ester%2C+zeolite-A%2C+nitrogen+compounds%2C+corrosion%0D%0Ainhibitor%2C+and+wheel+test%0D%0A%0D%0APenelitian+ini+dilakukan+sebagai+upaya+mengoptimalkan+reaksi+amidasi+metil+ester%0D%0Ayang+berasal+dari+minyak+kelapa+menjadi+senyawa+nitrogen+dengan+cara%0D%0Amereaksikan+metil+ester+dengan+dietanolamina.+Metil+ester+diperoleh+dengan%0D%0Amenggunakan+minyak+kelapa+yang+direfluks+dengan+metanol+pada+suhu+70+oC%0D%0Aselama+4+jam+dengan+bantuan+katalis+zeolit-A.+Senyawa+nitrogen+diperoleh%0D%0Adengan+menyiapkan+sembilan+sampel+dengan+melakukan+percobaan+di+dalam%0D%0Aautoklaf%2C+kemudian+dipanaskan+dalam+oven+pada+suhu+100+oC+selama+48%2C+72%2C+dan%0D%0A96+jam+dengan+variasi+waktu+pengadukan+selama+0%2C+30%2C+dan+60+menit.+Produk%0D%0Ayang+dihasilkan+kemudian+dianalisis+menggunakan+FTIR+dan+GC-MS%2C+kemudian%0D%0Adigunakan+sebagai+inhibitor+korosi+baja+lunak+dalam+larutan+brine+jenuh+CO2%0D%0Adengan+metode+Wheel+Test.+Aktivitas+penghambatan+sampel+dievaluasi+dalam%0D%0Abentuk+persentase+perlindungan+dan+morfologi+permukaan+sampel+menggunakan%0D%0Ametode+SEM.+Hasil+percobaan+yang+diperoleh+mengungkapkan+bahwa+percobaan%0D%0Ayang+dilakukan+pada+waktu+48+jam+dengan+waktu+pengadukan+30+menit+dan%0D%0Aselama+48+jam+dengan+waktu+pengadukan+60+menit+menghasilkan+senyawa%0D%0Anitrogen+dengan+persentase+13%2C60%25+dan+25%2C31%25.+Hasil+percobaan+pengujian%0D%0Akorosi+menunjukkan+bahwa+sampel+menunjukkan+aktivitas+penghambatan+korosi%2C%0D%0Adengan+perlindungan+tertinggi+sebesar+91%2C87%25+diberikan+oleh+sampel+yang%0D%0Adisiapkan+pada+suhu+100+oC+selama+48+jam+dengan+waktu+pengadukan+30+menit.%0D%0ATanpa+mengabaikan+kebutuhan+penelitian+lebih+lanjut%2C+hasil+yang+diperoleh+dalam%0D%0Apenelitian+ini+menunjukkan+bahwa+senyawa+nitrogen+yang+berasal+dari+minyak%0D%0Akelapa+memiliki+potensi+yang+menjanjikan+sebagai+green+corrosion+inhibitor.%0D%0AKata+kunci%3A+Metil+ester+minyak+kelapa%2C+zeolit-A%2C+senyawa+nitrogen%2C+penghambat%0D%0Akorosi%2C+dan+wheel+test.&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2023-07-27&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F74792%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F74792%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F74792%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++MAULANA+%2C+ARYA+NADHIEF+++(2023)+OPTIMASI+WAKTU+KONVERSI+METIL+ESTER+DARI+MINYAK+KELAPA+(Cocos+nucifera+L.)+MENJADI+SENYAWA+NITROGEN+MENGGUNAKAN+AUTOCLAVE+DAN+APLIKASINYA+SEBAGAI+INHIBITOR+KOROSI+BAJA+LUNAK.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F74792%2F